US 7,530,900 B2
Iron-type golf club with interchangeable head-shaft connection
Denver Holt, Carlsbad, Calif. (US); Matthew T. Cackett, San Diego, Calif. (US); Alan Hocknell, Carlsbad, Calif. (US); and J. Neil Hall, Carlsbad, Calif. (US)
Assigned to Callaway Golf Company, Carlsbad, Calif. (US)
Filed on Feb. 04, 2008, as Appl. No. 12/25,572.
Application 12/025572 is a continuation of application No. 11/530146, filed on Sep. 08, 2006, granted, now 7,326,126.
Application 11/530146 is a continuation in part of application No. 11/461132, filed on Jul. 31, 2006, abandoned.
Application 11/461132 is a continuation in part of application No. 10/904581, filed on Nov. 17, 2004, granted, now 7,083,529.
Prior Publication US 2008/0119301 A1, May 22, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/02 (2006.01)
U.S. Cl. 473—307  [473/309] 6 Claims
OG exemplary drawing
 
1. An iron-type golf club head comprising:
an iron-type club head body including a hosel, the club head body having an opening formed in a sole of the club head body, the opening extending through to the hosel; and
a tube mounted in the hosel of the club head body, the tube having an upper end with an inner diameter larger than an inner diameter at a lower end of the tube, the tube including a tapered portion and a rotation prevention portion, the rotation prevention portion defining a keyway having a non-circular configuration, the tube further including a flange that projects radially inward from a sidewall of the tube,
wherein the tube is adapted to removably receive a tip end of a shaft with a sleeve mounted thereon, a lower section of the sleeve including a frustoconical portion, a keyed portion and a lower end of the sleeve, the frustoconical portion being received in the tapered portion of the tube, and the keyed portion being received in the rotation prevention portion of the tube, and
wherein the flange is adapted to abut a mechanical fastener that is inserted into the opening in the sole of the club head body.